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Finding the Fourth Proportional to 17,000.61, 25,500.92 and 5,313.93

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Solution

The fourth proportional to 17,000.61, 25,500.92 and 5,313.93 is: 7,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,000.61 : 25,500.92 = 5,313.93 : x
  2. Step 2: Convert to fraction form
    17,000.61/25,500.92 = 5,313.93/x
  3. Step 3: Cross multiply
    17,000.61x = 25,500.92 × 5,313.93
  4. Step 4: Simplify right side
    17,000.61x = 135,510,077.25
  5. Step 5: Solve for x
    x = 135,510,077.25/17,000.61
  6. Step 6: Final answer
    x = 7,970.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.